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Bug bounty reports15,219

Publicly disclosed HackerOne reports, with the platform's own outcome and severity.

Program:Nextcloud
Status
Severity:Critical
Clear
Weakness
Year
Bounty paid1
Access stated
  • No account0
  • A user account0
  • Admin or privileged0
Access needed
Technique
Clear filters10 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
Clickjacking In https://demo.nextcloud.com#222762N/AMisconfiguration and Insecure DesignCritical2017-05-20–4
(Authenticated) RCE by bypassing of the .htaccess blacklist#228825ValidCommand and Code InjectionCritical2020-03-01–7
RCE on 17 different Docker containers on your network#1332433ValidCommand and Code InjectionCritical2021-10-20–10
Docker image with FPM is vulnerable to CVE-2019-11043#720306ValidCommand and Code InjectionCritical2020-03-14$10016
HEIC image preview can be used to invoke Imagick#1261413ValidInformation DisclosureCritical2023-01-07–16
I am because bug#226097SpamNo weakness recordedCritical2017-05-04–32
Expired reshare links allow access to all files in shareAnalysed#452854ValidAccess ControlCritical2019-06-27–38
Authentication bypass in Global Site Selector allows an attacker to log in as any userAnalysed#2248689ValidNo weakness recordedCritical2024-01-18–50
Arbitrary SQL command injectionAnalysed#508487ValidSQL InjectionCritical2019-07-21–77
RCE on Wordpress websiteAnalysed#2248328ValidDeserialization and Object InjectionCritical2023-12-28–83

Status and severity are HackerOne's. “Access stated” is what the title says; “Access needed” and techniques come from CyberSIXT's analysis of the public report, where there is one, which can be wrong. Data as of 2026-11-15.